PSLE A bag contains beads of three different colours.
112 of the beads are purple. The ratio of the number of orange beads to that of green beads is 1 : 3. What is the ratio of the number of orange beads to that of purple beads?
Purple |
Orange |
Green |
Total |
1x4 |
11x4 |
12x4 |
|
1x11 |
3x11 |
|
4 u |
11 u |
33 u |
48 u |
The total number of green and orange beads is the combined repeated identity.
Make the total number green and orange beads the same.
LCM of 11 and 4 = 44
Orange : Purple
11 : 4
Answer(s): 11 : 4